A 14-second video posted online in June outraged many people, as it showed Chatterji punching Lawther in the stomach several times. Chatterji wrote in a criminal complaint that he was trying to get her under control after she pushed an anti-gay protester. Chatterji alleged that she also hit him in the groin and the shin, and other people in the crowd hit him in the back of the head.

Glick said those details, plus the new photo, prove that Chatterji was defending himself.

"Police officers react to the situation that they're placed in. Sometimes you have to use force to control that situation," Glick said.

One of Lawther's attorneys, Steve Barth, told Pittsburgh's Action News 4 he believes the FOP was irresponsible to release just one picture. He wants to see all of the images uncovered by the investigation, along with surveillance video.

Pittsburgh's Office of Municipal Investigations is looking into whether Chatterji was justified in his actions. Lawther is facing four counts, including aggravated assault and resisting arrest. She's scheduled for a preliminary hearing in August.